124004240221 has 8 divisors (see below), whose sum is σ = 130728866400. Its totient is φ = 117299422800.

The previous prime is 124004240219. The next prime is 124004240293. The reversal of 124004240221 is 122042400421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124004240221 - 2¹ = 124004240219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124004240192 and 124004240201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124004246221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4939330 + ... + 4964371.

It is an arithmetic number, because the mean of its divisors is an integer number (16341108300).

Almost surely, 2^124004240221 is an apocalyptic number.

It is an amenable number.

124004240221 is a deficient number, since it is larger than the sum of its proper divisors (6724626179).

124004240221 is an equidigital number, since it uses as much as digits as its factorization.

124004240221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9904379.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 124004240221 its reverse (122042400421), we get a palindrome (246046640642).

The spelling of 124004240221 in words is "one hundred twenty-four billion, four million, two hundred forty thousand, two hundred twenty-one".